Article IV

Each State Party shall take the necessary measures to exercise strict and effective control over the possession and transfer of possession of unmarked explosives which have been manufactured in or brought into its territory prior to the entry into force of this Convention in respect of that State, so as to prevent their diversion or use for purposes inconsistent with the objectives of this Convention.

Each State Party shall take the necessary measures to ensure that all stocks of those explosives referred to in paragraph 1 of this Article not held by its authorities performing military or police functions are destroyed or consumed for purposes not inconsistent with the objectives of this Convention, marked or rendered permanently ineffective, within a period of three years from the entry into force of this Convention in respect of that State.

Each State Party shall take the necessary measures to ensure that all stocks of those explosives referred to in paragraph 1 of this Article held by its authorities performing military or police functions and that are not incorporated as an integral part of duly authorized military devices are destroyed or consumed for purposes not inconsistent with the objectives of this Convention, marked or rendered permanently ineffective, within a period of fifteen years from the entry into force of this Convention in respect of that State.

Each State Party shall take the necessary measures to ensure the destruction, as soon as possible, in its territory of unmarked explosives which may be discovered therein and which are not referred to in the preceding paragraphs of this Article, other than stocks of unmarked explosives held by its authorities performing military or police functions and incorporated as an integral part of duly authorized military devices at the date of the entry into force of this Convention in respect of that State.

Each State Party shall take the necessary measures to exercise strict and effective control over the possession and transfer of possession of the explosives referred to in paragraph II of Part 1 of the Technical Annex to this Convention so as to prevent their diversion or use for purposes inconsistent with the objectives of this Convention.

Each State Party shall take the necessary measures to ensure the destruction, as soon as possible, in its territory of unmarked explosives manufactured since the coming into force of this Convention in respect of that State that are not incorporated as specified in paragraph II d) of Part 1 of the Technical Annex to this Convention and of unmarked explosives which no longer fall within the scope of any other sub-paragraphs of the said paragraph II.